xref: /openbsd/sys/arch/luna88k/stand/boot/exec.c (revision 8352e4cb)
1 /*	$OpenBSD: exec.c,v 1.1 2023/01/10 17:10:57 miod Exp $	*/
2 /*	$NetBSD: boot.c,v 1.3 2013/03/05 15:34:53 tsutsui Exp $	*/
3 
4 /*
5  * Copyright (c) 1992 OMRON Corporation.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * OMRON Corporation.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  *	@(#)boot.c	8.1 (Berkeley) 6/10/93
39  */
40 /*
41  * Copyright (c) 1992, 1993
42  *	The Regents of the University of California.  All rights reserved.
43  *
44  * This code is derived from software contributed to Berkeley by
45  * OMRON Corporation.
46  *
47  * Redistribution and use in source and binary forms, with or without
48  * modification, are permitted provided that the following conditions
49  * are met:
50  * 1. Redistributions of source code must retain the above copyright
51  *    notice, this list of conditions and the following disclaimer.
52  * 2. Redistributions in binary form must reproduce the above copyright
53  *    notice, this list of conditions and the following disclaimer in the
54  *    documentation and/or other materials provided with the distribution.
55  * 3. Neither the name of the University nor the names of its contributors
56  *    may be used to endorse or promote products derived from this software
57  *    without specific prior written permission.
58  *
59  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
60  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
61  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
62  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
63  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
64  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
65  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
66  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
67  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
69  * SUCH DAMAGE.
70  *
71  *	@(#)boot.c	8.1 (Berkeley) 6/10/93
72  */
73 
74 #include <sys/param.h>
75 #include <sys/reboot.h>
76 
77 #include <luna88k/stand/boot/samachdep.h>
78 #include <lib/libsa/loadfile.h>
79 
80 #define	BOOT_MAGIC	0xf1abde3f
81 
82 void (*cpu_boot)(uint32_t, uint32_t, uint32_t, uint32_t);
83 uint32_t cpu_bootarg1;
84 uint32_t cpu_bootarg2;
85 uint32_t cpu_bootarg3;
86 uint32_t cpu_bootarg4;
87 
88 void
run_loadfile(uint64_t * marks,int howto)89 run_loadfile(uint64_t *marks, int howto)
90 {
91 #ifdef DEBUG
92 	printf("entry = 0x%lx\n", marks[MARK_ENTRY]);
93 	printf("ssym  = 0x%lx\n", marks[MARK_SYM]);
94 	printf("esym  = 0x%lx\n", marks[MARK_END]);
95 #endif
96 
97 	cpu_bootarg1 = BOOT_MAGIC;
98 	cpu_bootarg2 = (uint32_t)marks[MARK_END];
99 	cpu_bootarg3 = bootdev;		/* set by devopen */
100 	cpu_bootarg4 = howto;
101 #ifdef DEBUG
102 	printf("bootarg: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
103 	    cpu_bootarg1, cpu_bootarg2, cpu_bootarg3, howto);
104 #endif
105 	cpu_boot = (void (*)(uint32_t, uint32_t, uint32_t, uint32_t))
106 	    (uint32_t)marks[MARK_ENTRY];
107 	(*cpu_boot)(cpu_bootarg1, cpu_bootarg2, cpu_bootarg3, cpu_bootarg4);
108 }
109